Manufactured by CHG Bearing, the BC4B 319862p5 is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 950 mm bore diameter, a 1360 mm outer diameter, and a 975 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

BC4B 319862p5 - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | BC4B 319862p5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 950 mm |
| Width (B) | 975 mm |
| Outer Diameter (D) | 1360 mm |
| Bore Diameter Tolerance | -0.040 – 0 mm |
| Outside Diameter Tolerance | -0.050 – 0 mm |
| Width Tolerance | -1.6 – 0 mm |
| Enveloping Circle Diameter Fw | 1075 mm |
| Inner Ring Chamfer | 26 × 20° mm |
| Outer Ring Chamfer | 6 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 31900 kN |
| Basic Static Load Rating C0 (kN) | 105000 kN |
| Material | |
| Mass (kg) | 4940 kg |
| Ring Material | Case-Hardened Steel |
| Rolling Element Material | Case-Hardened Steel |
| Cage Material | Grade 45 Steel |
| Lubrication Groove Width | 23.5 mm |
| Lubrication Holes (qty × Ø mm) | 8 × Ø12 |
BC4B 319862p5 1360 mm 950 mm 1075 mm 975 mm Frequently Asked Questions about BC4B 319862p5 Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for BC4B 319862p5. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
In its sealed configuration (Open Type), CHG Bearing pre-charges BC4B 319862p5 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
When fitting BC4B 319862p5 over a 950 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
To safeguard CHG Bearing BC4B 319862p5 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (950 mm x 1360 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
